<?php
/**
 * Standard (a.k.a. Classic) skin: old MediaWiki default skin
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 *
 * @file
 * @ingroup Skins
 */

if( !defined( 'MEDIAWIKI' ) ) {
	die( -1 );
}

/**
 * @todo document
 * @ingroup Skins
 */
class SkinStandard extends SkinLegacy {
	var $skinname = 'standard', $stylename = 'standard',
		$template = 'StandardTemplate';

	/**
	 * @param $out OutputPage
	 */
	function setupSkinUserCss( OutputPage $out ) {
		parent::setupSkinUserCss( $out );
		$out->addModuleStyles( 'skins.standard' );

		$qb = $this->qbSetting();
		$rules = array();

		if ( 2 == $qb ) { # Right
			$rules[] = "/* @noflip */#quickbar { position: absolute; top: 4px; right: 4px; border-left: 2px solid #000000; }";
			$rules[] = "/* @noflip */#article, #mw-data-after-content { margin-left: 4px; margin-right: 152px; }";
			$rules[] = "/* @noflip */#topbar, #footer { margin-right: 152px; }";
		} elseif ( 1 == $qb || 3 == $qb ) {
			$rules[] = "/* @noflip */#quickbar { position: absolute; top: 4px; left: 4px; border-right: 1px solid gray; }";
			$rules[] = "/* @noflip */#article, #mw-data-after-content { margin-left: 152px; margin-right: 4px; }";
			$rules[] = "/* @noflip */#topbar, #footer { margin-left: 152px; }";
			if( 3 == $qb ) {
				$rules[] = "/* @noflip */#quickbar { position: fixed; padding: 4px; }";
			}
		} elseif ( 4 == $qb ) {
			$rules[] = "/* @noflip */#quickbar { position: fixed; right: 0; top: 0; padding: 4px; }";
			$rules[] = "/* @noflip */#quickbar { border-right: 1px solid gray; }";
			$rules[] = "/* @noflip */#article, #mw-data-after-content { margin-right: 152px; margin-left: 4px; }";
			$rules[] = "/* @noflip */#topbar, #footer { margin-right: 152px; }";
		}
		$style = implode( "\n", $rules );
		$out->addInlineStyle( $style, 'flip' );
	}

}

class StandardTemplate extends LegacyTemplate {

	/**
	 * @return string
	 */
	function doAfterContent() {
		wfProfileIn( __METHOD__ );
		wfProfileIn( __METHOD__ . '-1' );

		$s = "\n</div><br style=\"clear:both\" />\n";
		$s .= "\n<div id='footer'>";
		$s .= '<table cellspacing="0"><tr>';

		wfProfileOut( __METHOD__ . '-1' );
		wfProfileIn( __METHOD__ . '-2' );
		$l = $this->getSkin()->getLanguage()->alignStart();
		$s .= "<td class='bottom' style='text-align: $l; vertical-align: top;'>";

		$s .= $this->bottomLinks();
		$s .= "\n<br />" . $this->getSkin()->getLanguage()->pipeList( array(
			$this->getSkin()->mainPageLink(),
			$this->getSkin()->aboutLink(),
			Linker::specialLink( 'Recentchanges' ),
			$this->searchForm() ) )
			. '<br /><span id="pagestats">' . $this->pageStats() . '</span>';

		$s .= '</td>';
		$s .= "</tr></table>\n</div>\n</div>\n";

		wfProfileOut( __METHOD__ . '-2' );
		wfProfileIn( __METHOD__ . '-3' );
		if ( $this->getSkin()->qbSetting() != 0 ) {
			$s .= $this->quickBar();
		}
		wfProfileOut( __METHOD__ . '-3' );
		wfProfileOut( __METHOD__ );
		return $s;
	}

	/**
	 * @return string
	 */
	function quickBar() {
		global $wgContLang;

		wfProfileIn( __METHOD__ );

		$action = $this->getSkin()->getRequest()->getText( 'action' );
		$wpPreview = $this->getSkin()->getRequest()->getBool( 'wpPreview' );
		$title = $this->getSkin()->getTitle();
		$tns = $title->getNamespace();

		$s = "\n<div id='quickbar'>";
		$s .= "\n" . $this->getSkin()->logoText() . "\n<hr class='sep' />";

		$sep = "\n<br />";

		# Use the first heading from the Monobook sidebar as the "browse" section
		$bar = $this->getSkin()->buildSidebar();
		unset( $bar['SEARCH'] );
		unset( $bar['LANGUAGES'] );
		unset( $bar['TOOLBOX'] );

		$barnumber = 1;
		foreach ( $bar as $browseLinks ) {
			if ( is_array( $browseLinks ) ) {
				if ( $barnumber > 1 ) {
					$s .= "\n<hr class='sep' />";
				}
				foreach ( $browseLinks as $link ) {
					if ( $link['text'] != '-' ) {
						$s .= "<a href=\"{$link['href']}\">" .
							htmlspecialchars( $link['text'] ) . '</a>' . $sep;
					}
				}
			}
			if ( $barnumber == 1 ) {
				// only show watchlist link if logged in
				if( $this->data['loggedin'] ) {
					$s.= Linker::specialLink( 'Watchlist' ) ;
					$s .= $sep . Linker::linkKnown(
						SpecialPage::getTitleFor( 'Contributions' ),
						wfMessage( 'mycontris' )->escaped(),
						array(),
						array( 'target' => $this->data['username'] )
					);
				}
			}
			$barnumber = $barnumber + 1;
		}

		$s .= "\n<hr class='sep' />";
		$articleExists = $title->getArticleID();
		if ( $this->data['isarticle'] || $action == 'edit' || $action == 'history' || $wpPreview ) {
			if( $this->data['isarticle'] ) {
				$s .= '<strong>' . $this->editThisPage() . '</strong>';
			} else { # backlink to the article in edit or history mode
				if( $articleExists ){ # no backlink if no article
					switch( $tns ) {
						case NS_TALK:
						case NS_USER_TALK:
						case NS_PROJECT_TALK:
						case NS_FILE_TALK:
						case NS_MEDIAWIKI_TALK:
						case NS_TEMPLATE_TALK:
						case NS_HELP_TALK:
						case NS_CATEGORY_TALK:
							$text = wfMessage('viewtalkpage');
							break;
						case NS_MAIN:
							$text = wfMessage( 'articlepage' );
							break;
						case NS_USER:
							$text = wfMessage( 'userpage' );
							break;
						case NS_PROJECT:
							$text = wfMessage( 'projectpage' );
							break;
						case NS_FILE:
							$text = wfMessage( 'imagepage' );
							break;
						case NS_MEDIAWIKI:
							$text = wfMessage( 'mediawikipage' );
							break;
						case NS_TEMPLATE:
							$text = wfMessage( 'templatepage' );
							break;
						case NS_HELP:
							$text = wfMessage( 'viewhelppage' );
							break;
						case NS_CATEGORY:
							$text = wfMessage( 'categorypage' );
							break;
						default:
							$text = wfMessage( 'articlepage' );
					}

					$link = $title->getText();
					$nstext = $wgContLang->getNsText( $tns );
					if( $nstext ) { # add namespace if necessary
						$link = $nstext . ':' . $link;
					}

					$s .= Linker::link( Title::newFromText( $link ), $text->escaped() );
				} elseif( $title->getNamespace() != NS_SPECIAL ) {
					# we just throw in a "New page" text to tell the user that he's in edit mode,
					# and to avoid messing with the separator that is prepended to the next item
					$s .= '<strong>' . wfMessage( 'newpage' )->escaped() . '</strong>';
				}
			}

			# "Post a comment" link
			if( ( $title->isTalkPage() || $this->getSkin()->getOutput()->showNewSectionLink() ) && $action != 'edit' && !$wpPreview )
				$s .= '<br />' . Linker::link(
					$title,
					wfMessage( 'postcomment' )->escaped(),
					array(),
					array(
						'action' => 'edit',
						'section' => 'new'
					)
				);

			/**
			 * Watching could cause problems in edit mode:
			 * if user edits article, then loads "watch this article" in background and then saves
			 * article with "Watch this article" checkbox disabled, the article is transparently
			 * unwatched. Therefore we do not show the "Watch this page" link in edit mode.
			 */
			if ( $this->data['loggedin'] && $articleExists ) {
				if( $action != 'edit' && $action != 'submit' ) {
					$s .= $sep . $this->watchThisPage();
				}
				if ( $title->userCan( 'edit' ) )
					$s .= $sep . $this->moveThisPage();
			}
			if ( $this->getSkin()->getUser()->isAllowed( 'delete' ) && $articleExists ) {
				$s .= $sep . $this->deleteThisPage() .
				$sep . $this->protectThisPage();
			}
			$s .= $sep . $this->talkLink();
			if( $articleExists && $action != 'history' ) {
				$s .= $sep . $this->historyLink();
			}
			$s .= $sep . $this->whatLinksHere();

			if( $this->getSkin()->getOutput()->isArticleRelated() ) {
				$s .= $sep . $this->watchPageLinksLink();
			}

			if (
				NS_USER == $title->getNamespace() ||
				$title->getNamespace() == NS_USER_TALK
			) {

				$id = User::idFromName( $title->getText() );
				$ip = User::isIP( $title->getText() );

				if( $id || $ip ){
					$s .= $sep . $this->userContribsLink();
				}
				if( $this->getSkin()->showEmailUser( $id ) ) {
					$s .= $sep . $this->emailUserLink();
				}
			}
			$s .= "\n<br /><hr class='sep' />";
		}

		if( UploadBase::isEnabled() && UploadBase::isAllowed( $this->getSkin()->getUser() ) === true ) {
			$s .= $this->getUploadLink() . $sep;
		}

		$s .= Linker::specialLink( 'Specialpages' );

		global $wgSiteSupportPage;
		if( $wgSiteSupportPage ) {
			$s .= "\n<br /><a href=\"" . htmlspecialchars( $wgSiteSupportPage ) .
			'" class="internal">' . wfMessage( 'sitesupport' )->escaped() . '</a>';
		}

		$s .= "\n<br /></div>\n";
		wfProfileOut( __METHOD__ );
		return $s;
	}
}
